package main

import "fmt"

func main() {
	type person struct {
		id     int
		name   string
		age    int
		height int
	}

	// var p person
	// p := person{}
	// p := person{5, "allen", 20, 180}
	p := person{id: 5}
	p.name = "allen"
	p.age = 20
	p.height = 180
	fmt.Println(p)
}
